Mathematical Function - Omron NT31C Reference Manual

Mathematical Function

2-18 Mathematical Function
Reference:
2-18-1 Executable Calculations
Formula Patterns
The NT31/NT31C and NT631/631C PTs have been equipped with a mathemati-
cal function that automatically executes formulas which have been registered in
the PT in advance with the Support Tool. The mathematical function can auto-
matically perform data processing such as scaling in the PT and display the re-
sults.
Up to 256 calculation formulas can be registered.
This section explains the functions and operation of the mathematical function.
Refer to 5-1 Examples of Actual Applications of Direct Access for an example
application of the mathematical function.
S In order to use the mathematical function, a mathematical table must be regis-
tered and transferred to the PT along with the image data. Use the Support
Tool (version 4.1 for Windows) for these operations.
S The mathematical function can be used only when the PT's system program is
version 3 or higher.
The following table shows the 8 formula patterns that can be executed in the PT.
The formulas have 2 to 5 terms.
Formula pattern
x ! x
(x ! x) ! x
x ! (x ! x)
x ! ((x ! x) ! x)
x ! (x ! (x ! x))
((x ! x) ! x) ! (x ! x)
((x ! x) ! (x ! x)) ! x
(x ! x) ! ((x ! x) ! x)
If there isn't a formula pattern that matches your formula exactly, use an operator
and operand that won't affect the result (+0 or *1) in the extra terms, as in the
following example.
Desired formula
2 2
a + b
a + b
(a + b) * c
a / (b – c)
a + ((b – c) / d)
a * (b + (c / d))
((a * b) – c) / (d + e)
((a * b) + (c * d)) * e
(a + b) / ((c – d) * e)
Formula pattern
((x ! x) ! (x ! x)) ! x
Section 2-18
Example
x: Operand; !: Operator
Registered pattern
(a * a) + (b * b)) + 0
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